{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["concept or principle", "engineering feature", "enabling technology", "machanical property", "material", "process parameter"], "input": "An alternative cost estimation study was presented by Baldinger and focusses on buy scenarios for AM parts ."}
{"concept or principle": ["cost estimation"], "engineering feature": [], "enabling technology": [], "machanical property": [], "material": [], "process parameter": []}